37994908223 has 2 divisors, whose sum is σ = 37994908224. Its totient is φ = 37994908222.

The previous prime is 37994908201. The next prime is 37994908243. The reversal of 37994908223 is 32280949973.

37994908223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 37994908223 - 2⁸ = 37994907967 is a prime.

It is a super-2 number, since 2×37994908223² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37994908243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18997454111 + 18997454112.

It is an arithmetic number, because the mean of its divisors is an integer number (18997454112).

Almost surely, 2^37994908223 is an apocalyptic number.

37994908223 is a deficient number, since it is larger than the sum of its proper divisors (1).

37994908223 is an equidigital number, since it uses as much as digits as its factorization.

37994908223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 37994908223 in words is "thirty-seven billion, nine hundred ninety-four million, nine hundred eight thousand, two hundred twenty-three".